Age

Median age (y)

55.7 (26 - 95)

≤40

72 (9%)

41 - 50

250 (33%)

51 - 60

167 (22%)

61 - 70

152 (20%)

71≤

117 (16%)

AUS

Negative

626 (83%)

Positive

132 (17%)

MRI

Negative

647 (85%)

Positive

111 (15%)

AFNA

Not done

609 (80%)

AFNA+

94 (63%)

AFNA−

55 (37%)

Pathological tumor stage

Median size (mm)

16.8

pTis

71 (9%)

pT1

526 (69%)

pT2

145 (19%)

pT3

16 (2%)

Operation

Breast conserving surgery

527 (70%)

Mastectomy

231 (30%)